XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)
-
Ignition off
-
Disconnect the RTI switch
-
Ignition on.
Activate and read off the status of the buttons in the audio / carphone switch.
If the readings give a correct result, the fault is in the RTI switch.
Other information:
-
To access the RTI switch, see RTI switch See: Accessories and Optional Equipment/Sensors and Switches - Accessories and Optional
Equipment/Steering Mounted Controls Assembly/Service and Repair/RTI Switch.
Was the audio / carphone switch status OK?
Yes - Troubleshooting procedure complete
No - Checking components and wiring 3
-------------------------------------------------
Checking components and wiring 2